Can dogs eat Lettuce?

Supplement
Plain lettuce is generally safe for dogs as a low-calorie supplemental food.

Quick notes

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All pets (comparison)

Pet Safety Notes
Dog Supplement Plain lettuce is generally safe for dogs as a low-calorie supplemental food.
Cat Treat Most cats do not need lettuce, but small plain pieces are usually safe occasionally.
Rabbit Supplement Leaf lettuces can be part of a rabbit's regular fresh greens rotation; variety is important.
Parrot Treat Leafy lettuce may be offered in small amounts as part of varied vegetables.